<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>CSS 选择器示例</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            background-color: #f4f9f9;
            margin: 0;
            padding: 20px;
        }

        .container {
            max-width: 800px;
            margin: 0 auto;
            background-color: #ffffff;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
        }

        article,
        section,
        .combined-selector,
        .intersection-selector {
            border: 1px solid #ccc;
            padding: 15px;
            margin-bottom: 20px;
            border-radius: 5px;
        }

        h1 {
            text-align: center;
            color: #333;
            margin-bottom: 30px;
        }

        h2,
        h3 {
            text-decoration: underline;
        }

        article p {
            color: #4c00fe;
        }

        section>p {
            background-color: aqua;
        }

        .special {
            font-weight: 600;
        }
    </style>
</head>

<body>
    <div class="container">
        <h1>CSS 选择器应用示例</h1>
        <article>
            <h2>美食介绍区</h2>
            <p>北京烤鸭，皮脆肉嫩，是一道经典的中式美食。</p>
            <div>
                <p>还有重庆火锅，以其麻辣鲜香的口味闻名遐迩。</p>
            </div>
        </article>
        <section>
            <h2>古诗词赏析区</h2>
            <p>“大漠孤烟直，长河落日圆”，描绘出了塞外沙漠的壮丽风光。</p>
            <div>
                <p>“采菊东篱下，悠然见南山”，体现了诗人闲适的田园生活。</p>
            </div>
        </section>
        <div class="combined-selector">
            <h2>美食与诗词相关标题</h2>
            <h2>经典美食特色</h2>
            <h3>诗词中的意境</h3>
            <p>这里展示了美食和诗词相关的标题样式。</p>
        </div>
        <div class="intersection-selector">
            <h2>特殊描述区域</h2>
            <p class="special">苏轼不仅是大文豪，还留下了不少与美食有关的诗词。</p>
            <p>很多美食背后都有独特的文化故事。</p>
        </div>
    </div>
</body>

</html>